Most travelers pass through Kalibo on their way to Boracay — the town's airport is the main entry point for the island — but that's a shame, because Kalibo is worth more than a quick connection. It's the capital of Aklan province, a busy, lived-in market town with good food and a genuinely welcoming atmosphere.
The big reason to actually stay is the Ati-Atihan Festival in January: a raucous, days-long street party built around devotion to the Santo Niño. Participants paint their faces black, beat drums, and dance through the streets in elaborate costumes. It predates Mardi Gras comparisons but earns them — if you happen to be in the Philippines in January, this is worth rearranging your itinerary for.
Outside festival season, Kalibo is an agreeable stopover. The town center has reasonable restaurants and cafes, a lively public market, and the kind of unhurried provincial pace that's increasingly rare in the Philippines. It's not a destination in itself, but it's a decent place to spend a night before or after Boracay rather than rushing through.